[PATCH v2 2/3] windowscodecs: Fix IWICBitmapDecoder::CopyPalette for a not initialized case in the GIF decoder.

26 Apr 2020

Signed-off-by: Dmitry Timoshkov <dmitry(a)baikal.ru>
---
 dlls/windowscodecs/gifformat.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/windowscodecs/gifformat.c b/dlls/windowscodecs/gifformat.c
index fc8f4b1c3e..5d5a3a07a2 100644
--- a/dlls/windowscodecs/gifformat.c
+++ b/dlls/windowscodecs/gifformat.c
@@ -1187,6 +1187,9 @@ static HRESULT WINAPI GifDecoder_CopyPalette(IWICBitmapDecoder *iface, IWICPalet
 
     TRACE("(%p,%p)\n", iface, palette);
 
+    if (!This->gif)
+        return WINCODEC_ERR_WRONGSTATE;
+
     cm = This->gif->SColorMap;
     if (cm)
     {
-- 
2.26.2

    

Dmitry Timoshkov